65536090776 has 96 divisors (see below), whose sum is σ = 191298744000. Its totient is φ = 20148936192.

The previous prime is 65536090769. The next prime is 65536090777. The reversal of 65536090776 is 67709063556.

It is a super-2 number, since 2×65536090776² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65536090777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179345 + ... + 1233663.

It is an arithmetic number, because the mean of its divisors is an integer number (1992695250).

Almost surely, 2^65536090776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65536090776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95649372000).

65536090776 is an abundant number, since it is smaller than the sum of its proper divisors (125762653224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65536090776 is a wasteful number, since it uses less digits than its factorization.

65536090776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55633 (or 55626 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The spelling of 65536090776 in words is "sixty-five billion, five hundred thirty-six million, ninety thousand, seven hundred seventy-six".